+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2020 BR8) Classification: Apollo [NEO]          SPK-ID: 3989196 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2458874.5 (2020-Jan-26.0) TDB Reference: JPL 2 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .8568147893737937 0.0011942   a 2.511827804815149 0.017275 au q .3596565932892185 0.00052606 au i 7.062063777265449 0.01727 deg node 121.78929702 0.0036475 deg peri 119.8808738930498 0.0024491 deg M 348.4607412245807 0.13073 deg tp 2458921.107803282851 (2020-Mar-12.60780328) 0.047205 TDB period 1454.06299558583 3.98 15.001 0.04107 d yr n .2475821206459896 0.0025542 deg/d Q 4.663999016341081 0.032077 au   Orbit Determination Parameters    # obs. used (total)      29      data-arc span      4 days      first obs. used      2020-01-24      last obs. used      2020-01-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      8      norm. resid. RMS      .44238      source      ORB      producer      Otto Matic      solution date      2020-Jan-28 05:44:38   Additional Information  Earth MOID = .0164033 au   Jupiter MOID = .581699 au   T_jup = 2.783  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 25.586   .31846 2 autocmod 2.8 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Jan-21 09:28 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin